package edu.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import edu.model.Patient;
import edu.utils.DAOParams;

/**
 * A data access object (DAO) providing persistence and search support for
 * Patient entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see edu.model.Patient
 * @author MyEclipse Persistence Tools
 */

public class PatientDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory.getLogger(PatientDAO.class);
	// property constants
	public static final String PATIENT_NAME = "patientName";
	public static final String PERSON_ID = "personId";
	public static final String PATIENT_ADD = "patientAdd";
	public static final String PATIENT_TEL = "patientTel";
	public static final String PATIENT_AGE = "patientAge";
	public static final String PATIENT_SEX = "patientSex";
	public static final String PATIENT_OFFICE = "patientOffice";
	public static final String PATIENT_ZIP = "patientZip";
	public static final String PATIENT_DOC = "patientDoc";
	
	protected void initDao() {
		// do nothing
	}

	public void save(Patient transientInstance) {
		log.debug("saving Patient instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Patient persistentInstance) {
		log.debug("deleting Patient instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Patient findById(java.lang.Integer id) {
		log.debug("getting Patient instance with id: " + id);
		try {
			Patient instance = (Patient) getHibernateTemplate().get(
					"edu.model.Patient", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Patient instance) {
		log.debug("finding Patient instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Patient instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Patient as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByPatientName(Object patientName) {
		return findByProperty(PATIENT_NAME, patientName);
	}

	public List findByPatientDoc(Object patientDoc) {
		return findByProperty(PATIENT_DOC, patientDoc);
	}
	
	public List findByPersonId(Object personId) {
		return findByProperty(PERSON_ID, personId);
	}

	public List findByPatientAdd(Object patientAdd) {
		return findByProperty(PATIENT_ADD, patientAdd);
	}

	public List findByPatientTel(Object patientTel) {
		return findByProperty(PATIENT_TEL, patientTel);
	}

	public List findByPatientAge(Object patientAge) {
		return findByProperty(PATIENT_AGE, patientAge);
	}

	public List findByPatientSex(Object patientSex) {
		return findByProperty(PATIENT_SEX, patientSex);
	}

	public List findByPatientOffice(Object patientOffice) {
		return findByProperty(PATIENT_OFFICE, patientOffice);
	}

	public List findByPatientZip(Object patientZip) {
		return findByProperty(PATIENT_ZIP, patientZip);
	}

	public List findAll() {
		log.debug("finding all Patient instances");
		try {
			String queryString = "from Patient";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Patient merge(Patient detachedInstance) {
		log.debug("merging Patient instance");
		try {
			Patient result = (Patient) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Patient instance) {
		log.debug("attaching dirty Patient instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Patient instance) {
		log.debug("attaching clean Patient instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
	

	public List findLimitOderBy(int firstResult, int maxResults, String name, boolean isAsc) {
		log.debug("finding limit User instances  order by" + name);
		try {
			DetachedCriteria dc = DetachedCriteria.forClass(Patient.class); 
			if(isAsc) {
				dc.addOrder(Order.asc(name));
			} else {
				dc.addOrder(Order.desc(name));
			}
			return getHibernateTemplate().findByCriteria(dc, firstResult, maxResults);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
	@SuppressWarnings("unchecked")
	public List findByPropertiesOr( String[] attNames, String[] attValues, String[] ops ){
		
		DetachedCriteria dc = DetachedCriteria.forClass(Patient.class);
		Criterion temp = null;

		if( ops[0].equals( DAOParams.Dao_Like) ){
			temp = Restrictions.like(attNames[0], attValues[0], MatchMode.ANYWHERE );
		}
		else if( ops[0].equals( DAOParams.Dao_Equal) ){
			temp = Restrictions.eq(attNames[0], attValues[0] );
		}
			else if( ops[0].equals( DAOParams.Dao_NotEqual ) ){
			temp = Restrictions.ne( attNames[0], attValues[0] );
		}
		
		if(attNames.length >1 ) {
			for( int i = 1; i < attNames.length; i++ ){
				if( ops[i].equals( DAOParams.Dao_Like ) ){
					temp =	Restrictions.or(temp, Restrictions.like( attNames[i], attValues[i], MatchMode.ANYWHERE ));
					//System.out.println(temp.toString());
				}
				else if( ops[i].equals( DAOParams.Dao_Equal ) ){
					temp =	Restrictions.or(temp, Restrictions.eq( attNames[i], attValues[i] ));
				}
				else if( ops[i].equals( DAOParams.Dao_NotEqual ) ){
					temp =	Restrictions.or(temp, Restrictions.ne( attNames[i], attValues[i] ));
				}
			}
		}	
		dc.add(temp);	
		return this.getHibernateTemplate().findByCriteria(dc);
	}

	public static PatientDAO getFromApplicationContext(ApplicationContext ctx) {
		return (PatientDAO) ctx.getBean("PatientDAO");
	}
}